[Summary view]

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Phpml\Math;
   6  
   7  class Product
   8  {
   9      /**
  10       * @return mixed
  11       */
  12      public static function scalar(array $a, array $b)
  13      {
  14          $product = 0;
  15          foreach ($a as $index => $value) {
  16              if (is_numeric($value) && is_numeric($b[$index])) {
  17                  $product += (float) $value * (float) $b[$index];
  18              }
  19          }
  20  
  21          return $product;
  22      }
  23  }